Poker Glossary — Every Poker Term Explained

The fourth raise in a betting sequence — usually a very strong signal.

A 4-bet is a re-raise over a 3-bet (open = 1, 3-bet = re-raise, 4-bet = re-raise of that). At most stakes the 4-betting range is very narrow: premium value hands plus a small number of chosen bluffs.

How aggressive a player is: bets and raises versus calls.

AF (Aggression Factor) is a HUD statistic calculated as (bets + raises) / calls. An AF above 3 marks an aggressive player, a low AF a passive one.

Betting your entire stack — there is no way back.

All-in means committing every chip you have left. You cannot be forced out of the hand before showdown, and if opponents have more chips a side pot is created for them.

A small forced bet every player posts before the cards are dealt.

An ante is a small mandatory bet that every player at the table pays into the pot before any cards are dealt. Unlike blinds, which only two players post, the ante is paid by everyone. Antes appear mostly in the later stages of tournaments and are designed to speed the game up.

A draw that needs both the turn and the river to complete.

A backdoor (runner-runner) draw needs two perfect cards to complete. Its equity is small — roughly 4% for a backdoor flush — but the extra equity matters when choosing which hands to bluff with.

Losing with a strong hand that was a big statistical favourite.

A bad beat is losing a hand you were heavily favoured to win — AA losing to 72o on a runner-runner straight, for example. It is an inherent part of poker, not evidence that you played badly.

The larger of the two forced bets, posted two seats left of the dealer.

The big blind is a forced bet posted by the player two seats to the left of the dealer button before the cards are dealt. In No-Limit Hold'em the BB is also the unit used to measure stacks and tournament speed (for example "I have 40 BB").

The umbrella name for the forced bets posted before the deal.

Blinds are the forced bets the two players left of the dealer must post before cards are dealt. They create a starting pot worth fighting for and prevent a game where everyone simply folds every hand.

A card in your hand that removes combinations from the opponent's range.

A blocker is a card you hold that reduces the number of strong combinations your opponent can have. Holding the A♠ on a spade board, for example, means they cannot hold the nut flush — which makes it a great bluffing card.

Betting with a weak hand to make a better hand fold.

A bluff is a bet or raise with a weak hand designed to make a better hand fold. An effective bluff needs a consistent story, a board that fits your range, and an opponent who is actually capable of folding.

The five community cards that every player shares.

The board is the set of shared community cards in the middle of the table — flop, turn and river together. Players combine the board with their two hole cards to make the best possible five-card hand.

A tournament where a cash prize sits on each player's head.

In a bounty tournament part of every buy-in becomes a prize for eliminating that player. In progressive knockout (PKO) formats you keep half of the bounty you win and add the rest to your own head, which makes calls far wider late on.

The point in a tournament just before the money places start.

The bubble is the stage of a tournament immediately before the payouts begin — the last player eliminated wins nothing. ICM pressure peaks here, and big stacks exploit short stacks who are desperate to survive.

The best seat at the table — acts last on every postflop street.

The button (BTN) marks the nominal dealer seat. It is the most profitable position in poker: the button acts last on the flop, turn and river, so it always has the most information before deciding.

The amount you pay to enter a cash table or a tournament.

A buy-in is the amount a player pays to enter a tournament or sit at a cash table. In tournaments it determines the prize pool; in cash games it determines your starting stack.

Checking first and then raising after an opponent bets.

A check-raise means checking your action and then raising after another player bets. It is one of the strongest lines in poker: it can be used as a trap with a monster hand, or as a bluff when you sense weakness.

Two or more players share the pot with equal hands.

A chop happens when two or more players have exactly the same five-card hand and split the pot. It also refers to an agreement to divide remaining prize money at a final table.

Calling a raise without having invested anything in the pot yet.

A cold call is calling a raise when you have no money in the pot yet. It is generally a weaker line than 3-betting or folding, because it invites the players behind you into the pot.

A flop bet from the player who raised preflop.

A continuation bet is a flop bet made by the preflop aggressor, whether or not the flop actually helped their hand. It is a standard part of modern poker and one of the highest-frequency plays in the game.

A spot where two very strong hands collide and losing is unavoidable.

A cooler is a hand where both players have such strong holdings that all the money going in is unavoidable — set over set, or AA against KK. It is not a mistake; it is variance.

The seat right before the button — the second-best position at the table.

The cutoff (CO) is the seat immediately to the right of the button. It is a very strong position because it acts last whenever the button folds, which happens often. Good players open a much wider range from the CO.

A stack far above the standard buy-in, usually 150 BB or more.

A deep stack means 150 BB or more in play. Deep-stacked poker rewards postflop skill, implied odds and position far more than short-stacked play does.

Betting into the previous street's aggressor, out of position.

A donk bet is a lead bet made out of position into the player who was the aggressor on the previous street. Historically seen as a beginner move, it is now a legitimate tool on boards that favour the caller's range.

An unfinished hand that becomes strong with the right card.

A draw is a hand that is not made yet — four cards to a flush or four to a straight, for example. Playing draws correctly means comparing your chance of completing (equity) against the price you are asked to pay (pot odds).

The share of the pot that statistically belongs to you right now.

Equity is your theoretical ownership share of the pot based on your probability of winning at showdown. It is calculated with a solver or equity calculator: AA against KK preflop has roughly 81% equity.

Play that targets a specific opponent's mistakes, at the cost of balance.

Exploitative play is the opposite of GTO: you identify a specific opponent's leaks and attack them, even if your frequencies are no longer balanced. At most club tables exploitative play beats pure GTO by a wide margin.

Calling a bet with a weak hand, planning to take the pot away later.

Floating means calling a bet with a weak hand not because you expect to be best, but because you plan to win the pot on a later street when the opponent gives up. It works best in position against players who c-bet too often.

Five cards of the same suit, not necessarily in order.

A flush is five cards of the same suit (five hearts, for example) in any order. A flush beats a straight but loses to a full house.

The extra value you gain from the chance your opponent folds.

Fold equity is the value your bet gains purely from the chance the opponent folds. It is why semi-bluffing works: you win either when they fold now, or when your draw hits later.

A tournament with no buy-in but real prizes.

A freeroll is a tournament with no entry cost but real prizes. Freerolls are the safest way to learn tournament poker and to build a bankroll from zero.

Three of a kind plus a pair in the same hand.

A full house (also called a "boat") combines three of a kind with a pair. When two players both hold a full house, the higher three of a kind wins.

Mathematically balanced play that cannot be exploited.

GTO (Game Theory Optimal) is an approach where you play a Nash-equilibrium strategy: your action frequencies are mixed so no opponent can exploit you. GTO is the baseline, but against weak players deliberately deviating from it earns more.

An inside straight draw with only four outs.

A gutshot is an inside straight draw that needs one specific rank to complete — four outs, roughly 8.5% on one card. It is usually too weak to call with alone, but excellent as a semi-bluff.

The full set of hands an opponent can hold in a given spot.

A range is the set of all hands an opponent could hold given the actions they have taken. Modern poker is less about guessing one specific hand and more about estimating and attacking the whole range.

The two private cards each player is dealt.

Hole cards are the two private cards each player receives in Texas Hold'em. They are face-down and known only to you; you combine them with the board to build your best five-card hand.

An overlay showing live statistics about your opponents.

A HUD (Heads-Up Display) is software that overlays live statistics — VPIP, PFR, AF and more — on top of each opponent at an online table, letting you spot leaks and adjust in real time.

A model that converts tournament chips into real money value.

ICM (Independent Chip Model) is a mathematical model that translates a tournament chip stack into actual monetary value based on the payout structure. ICM explains why survival at a final table is sometimes worth more than accumulating chips.

The extra money you expect to win later if your draw hits.

Implied odds estimate how much additional money you will extract from your opponent later in the hand if you complete your draw. They change the pot-odds math: a call that is slightly unprofitable right now can be clearly profitable once implied odds are counted.

Raising over a limper to play the pot heads-up against them.

An isolation raise is a raise made over a weak limper, designed to fold out the rest of the field and play a heads-up pot in position against the weakest player at the table.

The side card that decides who wins when two players hold the same pair.

A kicker is the highest side card outside the main part of your hand, used to break ties. If two players hold the same pair, the one with the higher kicker wins the pot.

Entering the pot by just calling the big blind, without raising.

Limping means entering the pot preflop by calling the big blind instead of raising. In most spots it is a weak play: it neither builds a pot with strong hands nor takes the initiative. An "over-limp" is limping behind another limper.

A tournament across many tables until one player holds all the chips.

An MTT (Multi-Table Tournament) runs across many tables, eliminating players until one player has every chip. These are the classic events — WSOP Main Event, GG Millions and similar.

Discarding your hand face-down without showing it.

To muck is to fold and discard your cards face-down without revealing them. You may also muck at showdown when you know you are beaten and prefer not to show information.

The remaining cards in the deck that turn your hand into the winner.

Outs are the unseen cards that would improve your hand to the best hand. Counting outs is a basic skill: 9 outs for a flush draw, 8 for an open-ended straight draw. The 2x/4x rule turns outs into equity: outs × 4 with two cards to come, outs × 2 with one.

A bet larger than the current pot.

An overbet is a bet larger than the size of the pot. It is used with polarised ranges — the very strongest hands and pure bluffs — and puts maximum pressure on medium-strength holdings.

A pocket pair higher than every card on the board.

An overpair is a pocket pair that is higher than the highest board card — QQ on a J-7-3 flop, for example. It is a strong hand, but it can be very vulnerable on coordinated boards.

How often a player opens with a raise before the flop.

PFR is the percentage of hands a player raises preflop. The gap between VPIP and PFR shows how often they enter pots passively by cold-calling instead of taking the initiative.

The order in which you act — early versus late changes everything.

Position is one of the most important concepts in poker. A player in late position acts after the opponents and therefore knows what they did before deciding. A player in early position must act blind to everything that follows. Strong players widen or tighten their opening range dramatically based on position.

All the money wagered on the current hand.

The pot is the central pile of chips wagered on the current hand. The winner of the hand takes it all. Pot size directly drives pot odds and therefore most of your decisions.

The ratio between the bet you must call and the size of the pot.

Pot odds are the ratio between the amount you must call and the size of the pot after your call. Compare it to your chance of ending up with the best hand (your equity): if your equity is higher than the price you are paying, the call is profitable long-term.

A flop with three different suits — no flush draw possible yet.

A rainbow board is a flop of three different suits, meaning no flush draw is available. Rainbow boards are "dry", which usually allows smaller continuation bets.

The commission the room takes from each pot or tournament.

Rake is the fee the platform charges — usually a small percentage of each cash pot up to a cap, or a fee added to a tournament buy-in. Club-based tables typically run a much lower rake than the big public sites.

The option to buy more chips during the early tournament stages.

A rebuy lets you buy back in after busting during the rebuy period; an add-on is one extra chip purchase at the end of that period. Both change the correct strategy — aggression becomes cheaper early.

A cheap tournament whose prize is a seat in a bigger event.

A satellite is a low buy-in tournament that pays out entries to a larger event instead of cash. Satellite strategy is unique: once a seat is secured, extra chips are worth almost nothing.

A bluff with a draw — you can win by folding them out or by hitting.

A semi-bluff is a bluff made with a hand that has real outs. Even if the opponent calls, you can still win by completing your draw. It is the most profitable form of bluffing in No-Limit Hold'em.

Three of a kind made from a pocket pair plus one board card.

A set is three of a kind made with a pocket pair and one matching card on the board. Sets are extremely well disguised, which is exactly why they win such large pots.

A stack small relative to the blinds, usually under 30 BB.

A short stack holds few big blinds — typically under 30 BB in tournaments. Short-stack strategy is simpler and more push/fold oriented: fewer postflop decisions, more preflop all-ins.

The end of the hand — remaining players reveal their cards.

Showdown is the moment after the final betting round when the remaining players reveal their hole cards. The highest hand by the standard poker ranking wins the pot.

A separate pot created when one player is all-in for less.

A side pot is created when a player is all-in for less than the other players' bets. The all-in player can only win the main pot, while the remaining players keep contesting the side pot.

A short tournament that starts as soon as the seats fill up.

A Sit & Go is a short tournament format that begins the moment the required number of players (usually 6 or 9) registers. Most SNGs finish within an hour or two.

Underplaying a monster hand to keep opponents in the pot.

Slow playing means checking or calling with a very strong hand instead of betting, to disguise its strength and induce action. It is correct only on boards where your opponent cannot cheaply outdraw you.

A smaller forced bet, usually half the big blind, posted left of the dealer.

The small blind is a forced bet posted by the player directly to the left of the dealer button, usually half the size of the big blind. The SB is the hardest seat at the table: it acts first on every postflop street.

A big 3-bet against an opener plus one or more callers.

A squeeze is a 3-bet made after someone opened and one or more players called. The original raiser must act with callers still behind them, so both are "squeezed" and fold far more often than usual.

The pile of chips a player has on the table.

Your stack is the total number of chips you have in play. In tournaments stacks are measured in big blinds: a "40BB stack" means 40 times the current big blind.

A voluntary blind bet, usually double the BB, posted before the deal.

A straddle is a voluntary blind bet, normally twice the big blind, posted before the cards are dealt. The straddler acts last preflop. Straddling inflates the pot and the variance and is rarely mathematically profitable.

Five cards in consecutive rank, of any suits.

A straight is five cards in consecutive rank order (for example 6-7-8-9-T), not necessarily of the same suit. The ace plays both high (T-J-Q-K-A) and low (A-2-3-4-5, the "wheel").

The first three community cards dealt face-up on the board.

The flop is the deal of the first three face-up community cards, right after the preflop betting round. This is where most hands are truly built and where most of the interesting decisions happen.

The strongest hand possible on the current board.

The nuts is the best possible hand given the board. With the nuts you cannot lose the hand — at worst you chop the pot.

The fifth and final community card — the hand is now fixed.

The river is the fifth and final community card. After the river there is one last betting round and then showdown. On the river there are no more outs — your hand is what it is.

The fourth community card — the street where pots get heavy.

The turn is the fourth face-up community card, dealt after the flop betting round. Turn bets are usually much larger than flop bets and build the biggest pot relative to the information available.

A value bet with a hand only slightly ahead of the calling range.

Thin value is a value bet with a hand that only narrowly beats the opponent's calling range. Professionals make their edge from these thin bets — small margins repeated over thousands of hands.

An emotional state that makes you play worse than your real level.

Tilt is the psychological state in which frustration, anger or a bad beat pushes a player below their real skill level. Controlling tilt is one of the most valuable skills in poker — leaving the table beats playing on tilt.

Three of a kind made from one hole card and a pair on the board.

Trips is three of a kind formed by one of your hole cards plus a pair on the board. It is weaker than a set because the strength is visible to everyone and your kicker matters more.

The first seat to act after the blinds — the hardest spot to open from.

UTG (Under The Gun) is the player seated immediately after the big blind. They act first preflop and must therefore act blind to the entire table, so the UTG opening range has to be the tightest and strongest.

Betting a strong hand hoping a weaker hand calls.

A value bet is a bet made with a strong hand, expecting a worse hand to call. The correct size is the largest amount your opponent is still willing to call with their weaker holdings.

The natural swings in poker results, good and bad.

Variance is the statistical volatility of poker results: you can be a long-term winning player and still be down over thousands of hands. Proper bankroll management exists precisely to survive negative variance.

How often a player chooses to enter a pot — a looseness metric.

VPIP is a core HUD statistic: the percentage of hands in which a player voluntarily puts money into the pot (blinds excluded). High VPIP means a loose player, low VPIP a tight one. A healthy 6-max range is 20–28%.

The most prestigious poker series in the world.

The World Series of Poker, held annually in Las Vegas, is the most prestigious series in poker. The Main Event bracelet is considered the highest achievement a poker player can win.